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int GRBpresolvemodel ( GRBmodel *model,
    GRBmodel **presolvedP )

Perform presolve on a model.

Please note that the presolved model computed by this function may be different from the presolved model computed when optimizing the model.

Return value:

A non-zero return value indicates that a problem occurred while presolving the model. Refer to the Error Code table for a list of possible return values. Details on the error can be obtained by calling GRBgeterrormsg.


model: The model to be presolved.

presolveP: The location in which the pointer to the presolved model should be placed.

Example usage:

  error = GRBpresolvemodel(model, &presolvedP);

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